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AD9954pdf
- AD9954是美国AD公司采用先进的DDS技术生产的高集成度频率合成器，它能产生200MHz的模拟正弦波。文章介绍了AD9954的基本特点和引脚功能，分析了其内部结构和工作原理，给出了AD9954在高速调制信号系统中的应用方案。-AD9954 is AD using advanced DDS technology to produce a high level of integration of the frequency synthesizer that can generate the an
hallen
- 海伦方法分析偶极子天线的频率阻抗特性-电阻随频率的变化，电抗随频率的变化-Helen analyze the frequency dipole antenna impedance- resistance changes with frequency, the change of reactance with frequency
pinlvtexing
- 波克林顿法分析偶极子天线的频率阻抗特性，电阻随频率变化，电抗随频率变化-Clinton wave analysis frequency dipole antenna impedance, resistance changes with frequency, reactance varies with frequency
discrimation
- 该文针对具有两个相互重叠频率成分的密集频谱 ,分析了两个重叠频率成分在复频域的叠加情况 ,在不增加采样长度的条件下 ,通过向量分解和单频率成分的识别、校正方法 ,推导出其校正公式。-In this paper, with two overlapping frequency components of the dense spectrum of two overlapping frequency components in the frequency domain stacking situati
Sweep_3d
- 扫频信号3d分析,时间、幅度、频率三维显示，图形用水墙、分布图显示。-The sweep signal 3d, time, amplitude, frequency, three-dimensional display, graphics water wall maps.
MATLAB-SIG
- 几个有关通信系统的matlab程序,有关信号，包含：a,对抽样频率为90kHz的信号进行下抽样抗混叠滤波器设计的程序，b,信号抽样率转换的程序，c,通过补零内插对信号进行下抽样，分析抽样对信号频谱的影响的程序-Some matlab programs about communiction system,mainly about signal,a,program about filter to signal sampling without aliasing ,b,transfering sign